INS-41872
The OS group you selected as the ASM Administration Operator Group (ASMOPER) may not exist on the server.
Cause
Cannot find the group you selected to be the ASMOPER group in the groups defined on the server, or in the Network Information Service (NIS).
Action
Confirm that the group you want to use as the ASMOPER group exists on the server, or in NIS. Create or specify another group if it does not exist.